How water moves in plant:

Interactive Animation: (change the controls to see how factors affect the rate of water movement through the plant)

http://www.sciencemag.org/site/feature/misc/webfeat/vis2005/show/transpiration.swf






water movement in plants videos:








Photosynthesis:











Cellular Respiration:
http://encyclopedia.kids.net.au/page/ce/Cellular_respiration





Transporting Substances in and out of plant cells (diffusion, osmosis and active transport):


http://www.abpischools.org.uk/page/modules/homeostasis_kidneys/kidneys3.cfm?coSiteNavigation_allTopic=1 (play with animation at the bottom of page)

gas exchange:

http://wiki.answers.com/Q/What_is_gas_exchange